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Commit 9c083af8 authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

ath9k_hw: use cold instead of warm reset on AR9280 



Cold reset is more reliable for getting the hardware out of some specific
stuck states.

Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent fcff4f10

drivers/net/wireless/ath/ath9k/hw.c

+10 −4
Original line number Diff line number Diff line
@@ -1386,10 +1386,16 @@ static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type) 
static bool ath9k_hw_chip_reset(struct ath_hw *ah,

				struct ath9k_channel *chan)

{

	if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {

		if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))

			return false;

	} else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))

	int reset_type = ATH9K_RESET_WARM;



	if (AR_SREV_9280(ah)) {

		if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))

			reset_type = ATH9K_RESET_POWER_ON;

		else

			reset_type = ATH9K_RESET_COLD;

	}



	if (!ath9k_hw_set_reset_reg(ah, reset_type))

		return false;



	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))